<template>
  <div class="createPost-container">
    <el-form ref="postForm" :model="postForm" :rules="rules" class="form-container">

      <sticky :z-index="10" :class-name="'sub-navbar '+postForm.status">
<!--        <CommentDropdown v-model="postForm.comment_disabled" />-->
<!--        <PlatformDropdown v-model="postForm.platforms" />-->
<!--        <SourceUrlDropdown v-model="postForm.source_uri" />-->
        <el-button v-loading="loading" style="margin-left: 10px;" type="success" @click="submitForm">
          发布
        </el-button>
        <el-button v-loading="loading" type="warning" @click="draftForm">
          存为草稿
        </el-button>
      </sticky>

      <div class="createPost-main-container">
        <el-row>
<!--          <Warning />-->

          <el-col :span="24">
            <el-form-item style="margin-bottom: 40px;" prop="title" >
              <MDinput v-model="postForm.title" :maxlength="100" name="name" required >
                标题
              </MDinput>
            </el-form-item>

            <div class="postInfo-container">
              <el-row>
<!--                <el-col :span="8">-->
<!--                  <el-form-item label-width="60px" label="作者:" class="postInfo-container-item" required>-->
<!--                    <el-select v-model="postForm.authorId" :remote-method="getRemoteUserList" filterable default-first-option remote placeholder="Search user">-->
<!--                      <el-option v-for="(item,index) in userListOptions" :key="item+index" :label="item" :value="item" />-->
<!--                    </el-select>-->
<!--                  </el-form-item>-->
<!--                </el-col>-->

<!--                <el-col :span="10">-->
<!--                  <el-form-item label-width="120px" label="Publish Time:" class="postInfo-container-item">-->
<!--                    <el-date-picker v-model="displayTime" type="datetime" format="yyyy-MM-dd HH:mm:ss" placeholder="Select date and time" />-->
<!--                  </el-form-item>-->
<!--                </el-col>-->

<!--                <el-col :span="6">-->
<!--                  <el-form-item label-width="90px" label="Importance:" class="postInfo-container-item">-->
<!--                    <el-rate-->
<!--                      v-model="postForm.importance"-->
<!--                      :max="3"-->
<!--                      :colors="['#99A9BF', '#F7BA2A', '#FF9900']"-->
<!--                      :low-threshold="1"-->
<!--                      :high-threshold="3"-->
<!--                      style="display:inline-block"-->
<!--                    />-->
<!--                  </el-form-item>-->
<!--                </el-col>-->
              </el-row>
            </div>
          </el-col>
        </el-row>

<!--        <el-form-item style="margin-bottom: 40px;" label-width="70px" label="Summary:">-->
<!--          <el-input v-model="postForm.content_short" :rows="1" type="textarea" class="article-textarea" autosize placeholder="Please enter the content" />-->
<!--          <span v-show="contentShortLength" class="word-counter">{{ contentShortLength }}words</span>-->
<!--        </el-form-item>-->

        <el-form-item prop="content" style="margin-bottom: 30px;">
          <el-tabs v-model="activeName" style="margin-top:15px;" type="border-card">
            <el-tab-pane label="markdown编辑" name="markdown">
              <div class="editor-container">
<!--                <el-tag class="tag-title">-->
<!--                  I18n:-->
<!--                </el-tag>-->
<!--                <el-alert-->
<!--                  :closable="false"-->
<!--                  title="You can change the language of the admin system to see the effect"-->
<!--                  type="success"-->
<!--                />-->
                <markdown-editor ref="markdownEditor" v-model="postForm.content" :language="language" height="500px" />
              </div>

<!--              <el-button style="margin-top:80px;" type="primary" icon="el-icon-document" @click="getHtml">-->
<!--                Get HTML-->
<!--              </el-button>-->
<!--              <div v-html="html" />-->
            </el-tab-pane>
            <el-tab-pane label="富文本编辑" name="rich">
<!--              <Tinymce ref="editor" v-model="postForm.content" :height="400" />-->
            </el-tab-pane>
          </el-tabs>
        </el-form-item>

<!--        <el-form-item prop="image_uri" style="margin-bottom: 30px;">-->
<!--          <Upload v-model="postForm.image_uri" />-->
<!--        </el-form-item>-->
      </div>
    </el-form>
  </div>
</template>

<script>
import Tinymce from '@/components/Tinymce'
import Upload from '@/components/Upload/SingleImage3'
import MDinput from '@/components/MDinput'
import Sticky from '@/components/Sticky' // 粘性header组件
import { validURL } from '@/utils/validate'
import { fetchArticle } from '@/api/article'
import { searchUser } from '@/api/remote-search'
import Warning from './Warning'
import { CommentDropdown, PlatformDropdown, SourceUrlDropdown } from './Dropdown'
import { createArticle } from '@/api/article'
import TabPane from "../../../tab/components/TabPane";
import MarkdownEditor from '@/components/MarkdownEditor'

const defaultForm = {
  authorId: '',
  status: '0',
  title: '', // 文章题目
  content: '', // 文章内容
  content_short: '', // 文章摘要
  source_uri: '', // 文章外链
  image_uri: '', // 文章图片
  display_time: undefined, // 前台展示时间
  id: undefined,
  platforms: ['a-platform'],
  comment_disabled: false,
  importance: 0
}

const errorAlertMap = {
  // display_time: '发布时间'
  content: '内容'
}

const errorShowMap = {
  title: '标题'
}

export default {
  name: 'ArticleDetail',
  components: {TabPane, MarkdownEditor, Tinymce, MDinput, Upload, Sticky, Warning, CommentDropdown, PlatformDropdown, SourceUrlDropdown },
  props: {
    isEdit: {
      type: Boolean,
      default: false
    }
  },
  data() {
    const validateRequire = (rule, value, callback) => {
      if(value === ''  && errorShowMap[rule.field]) {
        callback(new Error(errorShowMap[rule.field] + '为必传项'))
      }
      if (value === '' && errorAlertMap[rule.field]) {
        this.$message({
          message: errorAlertMap[rule.field] + '为必传项',
          type: 'error'
        })

      } else {
        callback()
      }
    }
    const validateSourceUri = (rule, value, callback) => {
      if (value) {
        if (validURL(value)) {
          callback()
        } else {
          this.$message({
            message: '外链url填写不正确',
            type: 'error'
          })
          callback(new Error('外链url填写不正确'))
        }
      } else {
        callback()
      }
    }
    return {
      postForm: Object.assign({}, defaultForm),
      loading: false,
      userListOptions: [1],
      rules: {
        // image_uri: [{ validator: validateRequire }],
        authorId:[{ validator: validateRequire }],
        title: [{ validator: validateRequire }],
        content: [{ validator: validateRequire }],
        source_uri: [{ validator: validateSourceUri, trigger: 'blur' }]
      },
      activeName: 'markdown',
      tempRoute: {},
      content4: '这是内容',
      html: '',
      languageTypeList: {
        'en': 'en_US',
        'zh': 'zh_CN',
        'es': 'es_ES'
      }
    }
  },
  computed: {
    contentShortLength() {
      return this.postForm.content_short.length
    },
    language() {
      return this.languageTypeList['zh']
    },
    displayTime: {
      // set and get is useful when the data
      // returned by the back end api is different from the front end
      // back end return => "2013-06-25 06:59:25"
      // front end need timestamp => 1372114765000
      get() {
        return (+new Date(this.postForm.display_time))
      },
      set(val) {
        this.postForm.display_time = new Date(val)
      }
    }
  },
  created() {
    if (this.isEdit) {
      const id = this.$route.params && this.$route.params.id
      this.fetchData(id)
    }

    // Why need to make a copy of this.$route here?
    // Because if you enter this page and quickly switch tag, may be in the execution of the setTagsViewTitle function, this.$route is no longer pointing to the current page
    // https://github.com/PanJiaChen/vue-element-admin/issues/1221
    this.tempRoute = Object.assign({}, this.$route)
  },
  methods: {
    fetchData(id) {
      fetchArticle(id).then(response => {
        this.postForm = response.data

        // set tagsview title
        this.setTagsViewTitle()

        // set page title
        this.setPageTitle()
      }).catch(err => {
        console.log(err)
      })
    },
    setTagsViewTitle() {
      const title = '编辑'
      const route = Object.assign({}, this.tempRoute, { title: `${title}` })
      this.$store.dispatch('tagsView/updateVisitedView', route)
    },
    setPageTitle() {
      const title = '编辑'
      document.title = `${title} - ${this.postForm.id}`
    },
    submitForm() {
      const that = this
      this.$refs.postForm.validate(valid => {
        if (valid) {
          this.loading = true
          this.postForm.status = '1'
          console.log(that.postForm)
          createArticle(that.postForm).then(res => {
            if (res) {
              this.$notify({
                title: '成功',
                message: '发布文章成功',
                type: 'success',
                duration: 2000
              })
            }
          }).catch(err => {
            console.log(err)
          })
          this.loading = false
        } else {
          this.postForm.status = '0'
          console.log('error submit!!')
          return false
        }
      })
    },
    draftForm() {
      const that = this
      this.$refs.postForm.validate(valid => {
        if (valid) {
          this.loading = true
          this.postForm.status = '0'
          createArticle(that.postForm).then(res => {
            if (res) {
              this.$notify({
                title: '成功',
                message: '发布文章成功',
                type: 'success',
                duration: 2000
              })
            }
          }).catch(err => {
            console.log(err)
          })
          this.loading = false
        } else {
          this.postForm.status = '0'
          console.log('error submit!!')
          return false
        }
      })
    },
    getRemoteUserList(query) {
      searchUser(query).then(response => {
        if (!response.data.items) return
        this.userListOptions = response.data.items.map(v => v.name)
      })
    },
    getHtml() {
      this.html = this.$refs.markdownEditor.getHtml()
      console.log(this.html)
    }
  }
}
</script>

<style lang="scss" scoped>
@import "~@/styles/mixin.scss";

.createPost-container {
  position: relative;

  .createPost-main-container {
    padding: 40px 45px 20px 50px;

    .postInfo-container {
      position: relative;
      @include clearfix;
      margin-bottom: 10px;

      .postInfo-container-item {
        float: left;
      }
    }
  }

  .word-counter {
    width: 40px;
    position: absolute;
    right: 10px;
    top: 0px;
  }
}

.article-textarea ::v-deep {
  textarea {
    padding-right: 40px;
    resize: none;
    border: none;
    border-radius: 0px;
    border-bottom: 1px solid #bfcbd9;
  }
}

.editor-container{
  margin-bottom: 30px;
}
.tag-title{
  margin-bottom: 5px;
}
</style>
